#' @details
#' Details of possible locator schemes
#'   \describe{
#'     \item{"class name" :}{Returns an element whose class name contains
#'     the search value; compound class names are not permitted.}
#'     \item{"css selector" :}{Returns an element matching a CSS selector.}
#'     \item{"id" :}{Returns an element whose ID attribute matches the
#'        search value.}
#'      \item{"name" :}{Returns an element whose NAME attribute matches
#'          the search value.}
#'      \item{"link text" :}{Returns an anchor element whose visible text
#'          matches the search value.}
#'      \item{"partial link text" :}{Returns an anchor element whose
#'          visible text partially matches the search value.}
#'      \item{"tag name" :}{Returns an element whose tag name matches the
#'          search value.}
#'      \item{"xpath" :}{Returns an element matching an XPath expression.}
#'   }
#'
